/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.camunda.bpm.extension.example.reactor;

import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.camunda.bpm.engine.delegate.ExecutionListener;
import org.camunda.bpm.extension.reactor.bus.CamundaSelector;

@CamundaSelector(type = "intermediateThrowEvent", event = ExecutionListener.EVENTNAME_START, process = "process")
public class KpiExecutionListener implements ExecutionListener {

  private static final String NAME_PREFIX = "KPI:";

  @Override
  public void notify(DelegateExecution execution) throws Exception {
    String activityName = execution.getCurrentActivityName();

    if (activityName.startsWith(NAME_PREFIX)) {

      String name = getKpiName(activityName);
      KpiService.getInstance().increment(name, execution);
    }
  }

  private String getKpiName(String activityName) {
    String name = activityName.substring(NAME_PREFIX.length());
    return name.trim();
  }

}
